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Reconciliation of Loss After Income Tax to Net Cash Used in Operating Activities - Summary of Reconciliation of Loss After Income Tax to Net Cash Used in Operating Activities (Detail) - AUD ($)
 12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]      
Loss after income tax expense for the year $ (39,896,348) $ (32,210,826) $ (29,902,624)
Adjustments for:      
Depreciation and amortization 2,061,819 2,063,462 2,070,116
Loss on disposal of plant and equipment 1,427 0 0
Share-based payments 2,001,572 1,486,841 1,702,159
Changes in fair value of US investor warrants (131,896) (591,070) 8,663,013
Net exchange difference (296,038) 258,296 646,630
Net change in fair value of convertible note liability 139,048 324,736 1,171,959
Change in operating assets and liabilities:      
Decrease/ (Increase) in current receivables (1,607,705) (2,249,376) (2,830,539)
(Increase) in other operating assets (1,152,563) (782,505) (620,024)
Increase in trade and other payables 3,272,412 1,435,459 1,382,362
Increase in employee benefits provision 252,452 35,231 76,606
Net cash outflows used in operating activities $ (35,355,820) $ (30,229,752) $ (17,640,342)